Answer:
\frac{-3 + 3(a + h)^{2} + 3 - 3a^{2} }{h}
Step-by-step explanation:
All you have to do is take your values and plug them in and simplify!
[tex]\frac{-3 + 3(a + h)^{2} - (-3 + 3a^{2}) }{h}[/tex]
[tex]\frac{-3 + 3(a + h)^{2} + 3 - 3a^{2} }{h}[/tex]
